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Very good paperback copy of "Hidden Skills: A Dynamic Systems Analysis of

[...]

Very good paperback copy of "Hidden Skills: A Dynamic Systems Analysis of Treadmill Stepping During the First Year (Monographs of the Society for Research in Child Development, Serial No. 223, Vol. 56, No. 1, 1991)", by Esther Thelen and Beverly D. Ulrich, with commentary by Peter H. Wolff. 106 pages. Spine is uncreased, binding tight and sturdy; text clean; shelfwear minor. Ships from Dinkytown in Minneapolis, Minnesota.

Very good paperback copy of "Hidden Skills: A Dynamic Systems Analysis of

[...]

Very good paperback copy of "Hidden Skills: A Dynamic Systems Analysis of Treadmill Stepping During the First Year (Monographs of the Society for Research in Child Development, Serial No. 223, Vol. 56, No. 1, 1991)", by Esther Thelen and Beverly D. Ulrich, with commentary by Peter H. Wolff. 106 pages. Spine is uncreased, binding tight and sturdy; text clean; shelfwear minor. Ships from Dinkytown in Minneapolis, Minnesota.